@book{bhlitem173046, title = {Bulletin de la Classe physico-mathématique de l'Académie impériale des sciences de Saint-Pétersbourg }, volume = {t.9-11 (1851-1853)}, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection}, url = {https://www.biodiversitylibrary.org/item/173046}, note = {https://www.biodiversitylibrary.org/bibliography/95237}, publisher = {Saint-Pétersbourg, W. Graeff, 1843-1859}, author = {Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia). Fiziko-matematicheskoe otdielenīe.}, year = {1851}, pages = {700}, }